Chapter 1

Question 1

have two copies of the same allele, either two alleles for yellow seeds or two alleles for green seeds.

Answer 1

homozygotes

Question 2

have one copy of each allele.

Answer 2

Heterozygotes

Question 3

This notion that chromosomes carry genes is the

Answer 3

chromosome theory of inheritance

Question 4

provided the first definitive evidence for the chromosome theory with the fruit fly (Drosophila melanogaster)

Answer 4

Morgan